@InProceedings{horcik_et_al:LIPIcs.CSL.2017.42, author = {Horc{\'\i}k, Rostislav and Moraschini, Tommaso and Vidal, Amanda}, title = {{An Algebraic Approach to Valued Constraint Satisfaction}}, booktitle = {26th EACSL Annual Conference on Computer Science Logic (CSL 2017)}, pages = {42:1--42:20}, series = {Leibniz International Proceedings in Informatics (LIPIcs)}, ISBN = {978-3-95977-045-3}, ISSN = {1868-8969}, year = {2017}, volume = {82}, editor = {Goranko, Valentin and Dam, Mads}, publisher = {Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik}, address = {Dagstuhl, Germany}, URL = {https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.CSL.2017.42}, URN = {urn:nbn:de:0030-drops-76767}, doi = {10.4230/LIPIcs.CSL.2017.42}, annote = {Keywords: Valued CSP, Polymorphism, pp-definability, Geiger’s Theorem.} }